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ADD CELSELRESEL
SET DRD
ADD INTERFREQNCELL
ADD CAC
SET IDLEMODETIMER
SET CONNMODETIMER
IRAT HO PARAMETERADD CELLHSDPA
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INDEX
Set RNC Oriented DRD Algorithm Parameters(SET DRD
Function
Note
Parameter
Example
Function
Set the RNC-oriented Directed Retry Decision (DRD) algorith
- Current cell load
- Cell type
- Traffic type
- Intelligent networking strategy
- Cell resource admission result
The following functions are available:
- RRC setup DRD
- RAB setup DRD
- RAB modification DRD
- DCCC with channel switch DRD
Note
None.
Parameter
ID Name
ServiceDiffDrdSwitch Service differential drd switch
LdbDRDSwitchDCH Load balance DRD switch for DCH
The DRD algorithm is used to select a suitable cell durin
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LdbDRDSwitchHSDPA
Load balance DRD switch for
HSDPA
LdbDRDchoice Load balance DRD choice
RrcRedictSwitch RRC redirect switch
LdbDRDOffsetDCH
Load balance DRD offset for
DCH[%]
LdbDRDOffsetHSDPA
Load balance DRD offset for
HSDPA[%]
LdbDRDLoadRemainThd Dl load balance DRD power
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DCH
remain threshold for DCH[%]
LdbDRDLoadRemainThd
HSDPA
Dl load balance DRD power
remain threshold for HSDPA[%]
Code occupied rate threshold for
code balance drd[%]
LdbDRDTotalPwrProThd
Load balance DRD total power
protect threshold[%]
CodeBalancingDrdSwitc
h Code balance drd switch
DeltaCodeOccupiedRate Delta code occupied rate[%]
CodeBalancingDrdMinS
FThd
Minimum SF threshold for code
balance drd
CodeBalancingDrdCode
RateThd
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ReDirBandInd ReDirection target band indicator
ReDirUARFCNUplinkInd
Redirection target UL frequency
configuration ind
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ReDirUARFCNUplink Redirection target uplink UARFCN
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Example
To set the RNC-oriented DRD algorithm parameters, run theSET DRD: ServiceDiffDrdSwitch=ON;
After the command is run, the [ServiceDiffDrdSwitch] param
ReDirUARFCNDownlink
Redirection target downlink
UARFCN
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)
m parameters.
Description
Value range: ON, OFF.
Physical unit: None.
Content: This parameter specifies whether the service differential DRD algorithm will be applied.
- ON: The service differential DRD algorithm will be applied.
- OFF: The service differential DRD algorithm will not be applied.
Recommended value: OFF.
Value range: ON, OFF.
Physical unit: None.
Content:This parameter specifies whether the load balancing DRD algorithm will be applied for services
carried on DCH.
- ON: The load balancing DRD algorithm will be applied.
- OFF: The load balancing DRD algorithm will not be applied.
Recommended value: OFF.
Value range: ON, OFF.
Physical unit: None.
the cell resource admission procedure for RRC or RAB. The algorithm is affected by the following factors:
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Content: This parameter specifies whether the load balancing DRD algorithm will be applied for services
carried on HS-DSCH.
- ON: The load balancing DRD algorithm will be applied.
- OFF: The load balancing DRD algorithm will not be applied.
Recommended value: OFF.
Value range: Power~1, UserNumber~0
Physical unit: None.
Content: This parameter specifies which choice the load balancing DRD algorithm will be applied.
- Power: Power(Downlink none-HSDPA power is used for services carried on DCH, and downlink HSDPA
guarantee power is used for services carried on HS-DSCH)will be applied to the load balancing DRD algorithm.
- UserNumber: User number(Downlink R99 equivalent user number is used for services carried on DCH, and
downlink HSDPA user number is used for services carried on HS-DSCH)will be applied to the the load
balancing DRD algorithm.
Recommended value: UserNumber.
Value range: OFF~0, Only_To_Inter_Frequency~1, Allowed_To_Inter_RAT~2.
Physical unit: None.
Content: This parameter specifies the RRC redirection strategy.
- OFF: RRC redirection is not allowed.
- Only_To_Inter_Frequency: Only RRC redirection to inter-frequency cells is allowed.
- Allowed_To_Inter_RAT: RRC redirection to inter-frequency cells and redirection to inter-RAT cells are both
allowed.
Recommended value: Only_To_Inter_Frequency.
Value range: 0~100.
Physical value range: 0%~100%.
Physical unit: %.
Content: This parameter specifies the threshold of remanent load offset between the current cell and the
target cell when load balancing DRD is applied for DCH users. Only when the remanent load offset reaches
this threshold can a neighboring cell be selected as a candidate DRD cell for DCH users.
Recommended value: 10.
Value range: 0~100.
Physical value range: 0%~100%.
Physical unit: %.
Content: This parameter specifies the threshold of remanent load offset between the current cell and the
target cell when load balancing DRD is applied for HSDPA users. Only when the remanent load offset reaches
this threshold can a neighboring cell be selected as a candidate DRD cell for HSDPA users.
Recommended value: 10.
Value range: 0~100.
Physical value range: 0%~100%.
Physical unit: None.
Content: This parameter specifies the downlink load threshold to trigger load balancing DRD for services
carried on DCH. The load balancing DRD will probably be triggered only when the downlink cell remanent non
H power or remanent R99 equivalent user number is less than this threshold.
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Recommended value: 35.
Value range: 0~100.
Physical value range: 0%~100%.
Physical unit: %.
Content: This parameter specifies the downlink load threshold to trigger load balancing DRD for services
carried on HS-DSCH. The load balancing DRD will probably be triggered only when the downlink cellremanent HSDPA guarantee power or remanent HSDPA user number is less than this threshold.
Recommended value: 100.
Value range: 0~100.
Physical value range: 0%~100%.
Physical unit: %.
Content: This parameter specifies the threshold of the downlink remanent total power difference between
the current cell and the target cell when load balancing DRD is applied and the load balancing DRD choice is
Power. Only when the downlink remanent total power difference is less than this threshold can a
neighboring cell be selected as a candidate DRD cell.
Recommended value: 30.
Value range: ON, OFF.
Physical unit: None.
Content: This parameter specifies whether the code balancing DRD algorithm will be applied.
- ON: The code balancing DRD algorithm will be applied.
- OFF: The code balancing DRD algorithm will not be applied.
Recommended value: OFF.
Value range: 0~100.
Physical value range: 0%~100%.
Physical unit: None.
Content: This parameter specifies the threshold of code occupancy offset between the current cell and the
target cell when code balancing DRD is applied. Only when the cell code occupancy offset reaches thisthreshold can a neighboring cell be selected to be a candidate cell for DRD.
Recommended value: 7.
Value range: SF4~0, SF8~1, SF16~2, SF32~3, SF64~4, SF128~5, SF256~6.
Physical unit: None.
Content: This parameter specifies one of the triggering conditions of code balancing DRD. (The other
condition is the code occupancy.) This condition refers to that the minimum spreading factor of the best cell
is not smaller than the value of this parameter.
Recommended value: SF8.
Value range: 0~100.
Physical value range: 0%~100%.
Physical unit: %.
Content: This parameter specifies one of the triggering conditions of code balancing DRD. (The other
condition is the minimum spreading factor.) This condition refers to that the code occupancy in the best cell
is not lower than the value of this parameter.
Recommended value: 13.
Value range: Band1, Band2, Band3, Band4, Band5, Band6, Band7, Band8, Band9, DependOnNCell,
BandIndNotUsed.
Physical unit: None.
Content: This parameter specifies the target frequency band in the redirection procedure.
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Recommended value: DependOnNCell.
Value range: TRUE, FALSE.
Physical unit: None.
Content: This parameter specifies whether the UL frequency of the target cell of redirection needs to be
configured.
- TRUE: The UL frequency needs to be configured.
- FALSE: The UL frequency does not need to be configured. It is configured automatically according to therelationship between UL and DL frequencies.
Recommended value: None.
Value range: Depending on the band indication, as shown below:
Band1:
Common frequencies: [9612-9888]
Special frequencies: none
Band2:
Common frequencies: [9262-9538]
Special frequencies: {12, 37, 62, 87, 112, 137, 162, 187, 212, 237, 262, 287}
Band3:
Common frequencies: [937-1288]
Special frequencies: none
Band4:
Common frequencies: [1312-1513]
Special frequencies: {1662, 1687, 1712, 1737, 1762, 1787, 1812, 1837, 1862}
Band5:
Common frequencies: [4132-4233]
Special frequencies: {782, 787, 807, 812, 837, 862}
Band6:
Common frequencies: [4162-4188]
Special frequencies: {812, 837}Band7:
Common frequencies: [2012-2338]
Special frequencies: {2362, 2387, 2412, 2437, 2462, 2487, 2512, 2537, 2562, 2587, 2612, 2637, 2662, 2687}
Band8:
Common frequencies: [2712-2863]
Special frequencies: none
Band9:
Common frequencies: [8762-8912]
Special frequencies: none
BandIndNotUsed:
[0-16383]
Content: This parameter specifies the target uplink UARFCN of a cell for RRC redirection. Assume that the
target uplink UARFCN for RRC redirection is unspecified, the band indication is Band1, Band2, Band3, Band4,
Band5, Band6, Band7, Band8, or Band9, and the target downlink UARFCN for RRC redirection is valid. Then,
the default target uplink UARFCN for RRC redirection is as follows:
- If the DL frequency belongs to common frequencies, then
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Band1: Uplink UARFCN = Downlink UARFCN - 950
Band2: Uplink UARFCN = Downlink UARFCN - 400
Band3: Uplink UARFCN = Downlink UARFCN - 225
Band4: Uplink UARFCN = Downlink UARFCN - 225
Band5: Uplink UARFCN = Downlink UARFCN - 225
Band6: Uplink UARFCN = Downlink UARFCN - 225
Band7: Uplink UARFCN = Downlink UARFCN - 225Band8: Uplink UARFCN = Downlink UARFCN - 225
Band9: Uplink UARFCN = Downlink UARFCN - 475
- If the DL frequency belongs to special frequencies, then
Band2: Uplink UARFCN = Downlink UARFCN - 400
Band4: Uplink UARFCN = Downlink UARFCN - 225
Band5: Uplink UARFCN = Downlink UARFCN - 225
Band6: Uplink UARFCN = Downlink UARFCN - 225
Band7: Uplink UARFCN = Downlink UARFCN - 225
Recommended value: None.
Value range: Depending on the band indication, as shown below:
Band1
Common frequencies: [10562-10838]
Special frequencies: none
Band2
Common frequencies: [9662-9938]
Special frequencies: {412, 437, 462, 487, 512, 537, 562, 587, 612, 637, 662, 687}
Band3
Common frequencies: [1162-1513]
Special frequencies: none
Band4
Common frequencies: [1537-1738]Special frequencies: {1887, 1912, 1937, 1962, 1987, 2012, 2037, 2062, 2087}
Band5
Common frequencies: [4357-4458]
Special frequencies: {1007, 1012, 1032,1037, 1062, 1087}
Band6
Common frequencies: [4387-4413]
Special frequencies: {1037, 1062}
Band7
Common frequencies: [2237-2563]
Special frequencies: {2587, 2612, 2637, 2662, 2687, 2712, 2737, 2762, 2787, 2812, 2837, 2862, 2887, 2912}
Band8
Common frequencies: [2937-3088]
Special frequencies: none
Band9
Common frequencies: [9237-9387]
Special frequencies: none
BandIndNotUsed:[0-16383]
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Physical unit: None.
Content: This parameter specifies the target downlink UARFCN of a cell for RRC redirection.
Recommended value: None.
following command:
eter is set to ON.
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INDEX
Add Cell Selection And Reselection Infor
Function
Note
Parameter
Example
Function
Add cell selection and reselection inform
Note
None.
Parameter
ID Name
CellId Cell ID
QualMeas
Cell Sel-reselection quality
measure
IdleQhyst
1s
Hysteresis 1 for idle
mode[2dB]
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ConnQhys
t1s
Hysteresis 1 for connect
mode[2dB]
IdleQhyst
2s
Hysteresis 2 for idle
mode[2dB]
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Treselecti
ons Reselection delay time[s]
Qqualmin Min quality level[dB]
ConnQhys
t2s
Hysteresis 2 for connect
mode[2dB]
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IdleSintras
earch
Intra-freq cell reselection
threshold for idle
mode[2dB]
Qrxlevmin
ExtSup Min Rx level Extend Support
DeltaQrxle
vmin Delta Min Rx level
MaxAllow
edUlTxPo
wer
Max allowed UE UL TX
power[dBm]
Qrxlevmin Min Rx level[2dBm]
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ConnSinte
rsearch
Inter-freq cell reselection
threshold for connect
mode[2dB]
IdleSinters
earch
Inter-freq cell reselection
threshold for idle
mode[2dB]
ConnSintr
asearch
Intra-freq cell reselection
threshold for connect
mode[2dB]
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Tcrmaxno
nhcs Non-HCS max TCR[s]
Ncrnonhcs Non-HCS NCR
InterFreqT
reselScalin
gFactor
Inter-frequency scaling
factor for reselection delay
InterRatTreselScalin
gFactor
Inter-RAT scaling factor for
reselection delay
NonhcsInd Non-HCS indicator
SsearchRa
t
Inter-RAT cell reselection
threshold[2dB]
SpeedDep
endentSca
lingFactor
Speed dependent scaling
factor for reselection delay
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Example
Add cell selection and reselection param
ADD CELLSELRESEL: CellId=1, QualMeas=
After the above operations, the cell resel
1.Cell Sel-reselection quality measure is
2.Hysteresis 1 for idle mode is 4 dB.
3.Hysteresis 1 for connect mode is 4 dB.
4.Hysteresis 2 for idle mode is 4 dB.
5.Hysteresis 2 for connect mode is 4 dB.
6.The cell reselection delay time is 1s.
7.The minimum quality level of CPICH Ec
8.The minimum Rx level of CPICH RSCP i
9.The maximum allowed uplink transmit
10.The intra-frequency cell reselection t
11.The inter-frequency cell reselection t
12.The inter-RAT cell reselection thresho
13.Speed dependent scaling factor for re
14.Inter-frequency scaling factor for res
15.Inter-RAT scaling factor for reselectio
16.The non-HCS speed estimation param
17.The time for non-HCS maximum cell r18.The non-HCS maximum number of ce
19.The extra time before a UE resumes i
20.Hysteresis 1 for UE in CELL_PCH or U
21.Hysteresis 1for UE in CELL_FACH stat
22.Hysteresis 2 for UE in CELL_PCH or U
23.Hysteresis 2 for UE in CELL_FACH stat
24.Reselection delay time for UE in PCH
25.Reselection delay time for UE in CELL
Treselecti
onsfach
Reselection delay time for
UE in CELL_FACH state[0.2s]
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ation(ADD CELLSELRESEL)
ation.
Description
Value range: 0~65535
Physical unit: None
Content: Uniquely identifying a cell
Recommended value: None
Value range: CPICH_ECNO(CPICH Ec/N0), CPICH_RSCP(CPICH RSCP)
Physical unit: None
Content: Measurement quantity of cell selection and reselection. It can be set to CPICH Ec/N0 or CPICH RSCP.
For detailed information of this parameter, refer to 3GPP TS 25.304.
Recommended value: CPICH_ECNO
Value range: 0~20
Physical value range: 0~40; step: 2
Physical unit: dB
Content: The hysteresis value of the serving FDD cells in idle mode in case the quality measurement for cellselection and reselection is set to CPICH RSCP. It is related to the slow fading feature of the area where the cell is
located. The greater the slow fading variance is, the greater this parameter.
According to the R regulation, the current serving cell involves in cell selection after the measurement value is
added with the hysteresis value. The measurement hysteresis aims to prevent the ping-pong effect of the cell
reselection, which is caused by the slow fading when the UE is on the edge of the cell. The ping-pong effect may
trigger frequent location updates (idle mode), URA updates (URA_PCH), or cell updates (CELL_FACH, CELL_PCH),
and thus increase the load of network signaling and the consumption of UE batteries. Set a proper measurement
hysteresis to reduce as much as possible effect of the slow fading as well as ensuring timely cell updates of the
UE. According to the CPICH RSCP emulation report of inter-frequency hard handovers, the measurement
hysteresis ranges 4 dBm to 5 dBm and is set to 4 dBm by default when the slow fading variance is 8 dB and the
relative distance is 20 m. In the cells where the slow fading variance is low and the average moving speed of UEs
is high, for example the suburbs and countryside, reduce the measurement hysteresis to guarantee timely
location updates of UEs. The higher the measurement hysteresis is, the less likely it is for various types of cell
reselections to occur, and the better the slow fading resistance capability is, but the slower the system reacts to
the environment changes. For detailed information of this parameter, refer to 3GPP TS 25.304.
Value range: 0~20
Physical value range: 0~40; step: 2
Physical unit: dB.
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Content: The hysteresis value of the serving FDD cells in connected mode in case the quality measurement for
cell selection and reselection is set to CPICH RSCP. It is related to the slow fading feature of the area where the
cell is located. The greater the slow fading variance is, the greater this parameter.
According to the R regulation, the current serving cell involves in cell selection after the measurement value is
added with the hysteresis value. The measurement hysteresis aims to prevent the ping-pong effect of the cell
reselection, which is caused by the slow fading when the UE is on the edge of the cell. The ping-pong effect may
trigger frequent location updates (idle mode), URA updates (URA_PCH), or cell updates (CELL_FACH, CELL_PCH),and thus increase the load of network signaling and the consumption of UE batteries. Set a proper measurement
hysteresis to reduce as much as possible effect of the slow fading as well as ensuring timely cell updates of the
UE. According to the CPICH RSCP emulation report of inter-frequency hard handovers, the measurement
hysteresis ranges 4 dBm to 5 dBm and is set to 4 dBm by default when the slow fading variance is 8 dB and the
relative distance is 20 m. In the cells where the slow fading variance is low and the average moving speed of UEs
is high, for example the suburbs and countryside, reduce the measurement hysteresis to guarantee timely
location updates of UEs. The higher the measurement hysteresis is, the less likely it is for various types of cell
reselections to occur, and the better the slow fading resistance capability is, but the slower the system reacts to
the environment changes. For detailed information of this parameter, refer to 3GPP TS 25.304.
Recommended value: 2
Value range: {{0~20},{255}}
Physical value range: 0~40; step: 2
Physical unit: dB.
Content: The hysteresis value of the serving FDD cells in idle mode in case the quality measurement for cell
selection and reselection is set to CPICH Ec/No. It is related to the slow fading feature of the area where the cell
is located. The greater the slow fading variance is, the greater this parameter. It is optional. If it is not configured,
[Hysteresis 1] will be adopted as the value. This parameter is not configured when its value is 255.
According to the R regulation, the current serving cell involves in cell selection after the measurement value is
added with the hysteresis value. The measurement hysteresis aims to prevent the ping-pong effect of the cell
reselection, which is caused by the slow fading when the UE is on the edge of the cell. The ping-pong effect may
trigger frequent location updates (idle mode), URA updates (URA_PCH), or cell updates (CELL_FACH, CELL_PCH),and thus increase the load of network signaling and the consumption of UE batteries. Set a proper measurement
hysteresis to reduce as much as possible effect of the slow fading as well as ensuring timely cell updates of the
UE. According to the CPICH RSCP emulation report of inter-frequency hard handovers, the measurement
hysteresis ranges 4 dBm to 5 dBm and is set to 4 dBm by default when the slow fading variance is 8 dB and the
relative distance is 20 m. In the cells where the slow fading variance is low and the average moving speed of UEs
is high, for example the suburbs and countryside, reduce the measurement hysteresis to guarantee timely
location updates of UEs. The higher the measurement hysteresis is, the less likely it is for various types of cell
reselections to occur, and the better the slow fading resistance capability is, but the slower the system reacts to
the environment changes. For detailed information of this parameter, refer to 3GPP TS 25.304.
Recommended value: the same as Qhyst1s for idle mode
Value range: {{0~20},{255}}.
Physical value range: 0~40; step: 2.
Physical unit: dB.
Content: The hysteresis value of the serving FDD cells in connected mode in case the quality measurement for
cell selection and reselection is set to CPICH Ec/No. It is related to the slow fading feature of the area where the
cell is located. The greater the slow fading variance is, the greater this parameter. This parameter is not
configured when its value is 255.
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According to the R regulation, the current serving cell involves in cell selection after the measurement value is
added with the hysteresis value. The measurement hysteresis aims to prevent the ping-pong effect of the cell
reselection, which is caused by the slow fading when the UE is on the edge of the cell. The ping-pong effect may
trigger frequent location updates (idle mode), URA updates (URA_PCH), or cell updates (CELL_FACH, CELL_PCH),
and thus increase the load of network signaling and the consumption of UE batteries. Set a proper measurement
hysteresis to reduce as much as possible effect of the slow fading as well as ensuring timely cell updates of the
UE. According to the CPICH RSCP emulation report of inter-frequency hard handovers, the measurementhysteresis ranges 4 dBm to 5 dBm and is set to 4 dBm by default when the slow fading variance is 8 dB and the
relative distance is 20 m. In the cells where the slow fading variance is low and the average moving speed of UEs
is high, for example the suburbs and countryside, reduce the measurement hysteresis to guarantee timely
location updates of UEs. The higher the measurement hysteresis is, the less likely it is for various types of cell
reselections to occur, and the better the slow fading resistance capability is, but the slower the system reacts to
the environment changes. For detailed information of this parameter, refer to 3GPP TS 25.304.
Recommended value:the same as Qhyst1s for connect mode.
Value range: 0~31
Physical unit: s
Content: If the signal quality (CPICH Ec/No measured by the UE) of a neighboring cell is better than that of the
serving cell during the specified time of this parameter, the UE reselects the neighboring cell. It is used to avoid
ping-pong reselection between different cells. Note that the value 0 corresponds to the default value defined in
the protocol.
Set the parameter as follows:
1. Ensure that the UE can reselect a cell when crossing the non-soft-switch area of the cell and that the UE timely
performs location updates, cell updates, or URA updates when necessary.
2. Ensure that the UE does not reselect a cell when it is in the soft-switch area of the cell. In this way, the
unnecessary location updates, cell updates, and URA updates are avoided.
3. Consider the difference between cells that cover different areas, for example the cells covering highways and
cells covering densely populated areas. TIf the parameter is set to a comparatively low value, the ping-pong
reselections may be caused. The parameter can be increased in populated area and reduced in high-speedmovement. If the parameter is set to a comparatively high value, the cell reselection delay may become
excessively high, and thus cell reselections may be affected.
For detailed information, refer to 3GPP TS 25.304.
Recommended value: 1
Value range: -24~0
Physical unit: dB
Content: The minimum required quality threshold corresponding to CPICH Ec/No. The UE can camp on the cell
only when the measured CPICH Ec/No is greater than the value of this parameter. The higher the parameter
value is, the more difficult it is for the UE to reside in the cell. The lower parameter value is, the easier it is for
the UE to reside in the cell, but it is possible that the UE cannot receive the system messages that are sent
through the PCCPCH. For detailed information, refer to the 3GPP TS 25.304.
Recommended value: -18
Value range: -58~-13
Physical value range: -115~-25; step: 2 (-58:-115; -57:-113; ...; -13:-25 )
Physical unit: dBm
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Content: The minimum required RX threshold corresponding to CPICH RSCP. The UE can camp on the cell only
when the measured CPICH RSCP is greater than the value of this parameter. The setting of Qrxlevmin should be
related to Qqualmin. The higher the parameter is, the more difficult it is for the UE to reside in the cell. The
lower parameter is, the easier it is for the UE to reside in the cell, but it is possible that the UE cannot receive the
system messages that are sent through the PCCPCH. For detailed information, refer to 3GPP TS 25.304.
Recommended value: -58
Value range: TRUE, FALSEPhysical unit: none
Content: Indicating whether the minimum required RX level is extended. For detailed information of this
parameter, refer to 3GPP TS 25.304.
Recommended value: FALSE
Value range: -2, -1
Physical value range: -4, -2; step: 2 (-2: -4; -1:-2)
Physical unit: none
Content: Actual minimum required RX level = minimum required RX level + extended minimum required RX
Recommended value: none
Value range: -50~33
Physical unit: dBm
Content: The maximum allowed uplink transmit power of a UE in the cell, which is related to the network
planning. For detailed information, refer to 3GPP TS 25.304.
Recommended value: 24
Value range: {{-16~10},{127}}
Physical value range: -32~20; step: 2
Physical unit: dB
Content: Threshold for intra-frequency cell reselection in idle mode. When the quality (CPICH Ec/No measured
by the UE) of the serving cell is lower than this threshold plus the [Qqualmin] of the cell, the intra-frequency cell
reselection procedure will be started. This parameter is not configured when its value is 127. The intra-frequency
cell reselection has a priority higher than the inter-frequency cell reselection and inter-RAT cell reselection, theintra-frequency cell reselection start threshold should be higher than the inter-frequency cell reselection start
threshold and inter-RAT cell reselection start threshold. If the cell reselection threshold is set to a comparatively
high value, the UE may frequently start cell reselections, and the battery of the UE may be largely consumed. If
the cell reselection threshold is set to a comparatively low value, it is difficult for cell reselections to be started,
and the UE may not timely reside in the cells with good quality, affecting the quality of communication between
the UTRAN and the UE. For detailed information, refer to 3GPP TS 25.304.
Recommended value: None
Value range: {{-16~10},{127}}
Physical value range: -32~20; step: 2
Physical unit: dB
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Content: Threshold for inter-RAT cell reselection. When the quality (CPICH Ec/No measured by UE) of the serving
cell is lower than this threshold plus the [Qqualmin] of the cell, the inter-RAT cell reselection procedure will be
started. This parameter is not configured when its value is 127. This parameter is not configured when its value is
127. The intra-frequency cell reselection has a priority higher than the inter-frequency cell reselection and inter-
RAT cell reselection, the intra-frequency cell reselection start threshold should be higher than the inter-
frequency cell reselection start threshold and inter-RAT cell reselection start threshold. If the cell reselection
threshold is set to a comparatively high value, the UE may frequently start cell reselections, and the battery ofthe UE may be largely consumed. If the cell reselection threshold is set to a comparatively low value, it is difficult
for cell reselections to be started, and the UE may not timely reside in the cells with good quality, affecting the
quality of communication between the UTRAN and the UE. For detailed information, refer to 3GPP TS 25.304.
Recommended value: None
Value range: {{{0~10},{255}}
Physical value range: 0~1; step: 0.1
Physical unit: None
Content: For a high-mobility UE, multiples this parameter by its reselection delay to reduce the reselection delay
of the UE. This parameter can be set to 10 for middle-speed UE, which means no influence upon reselection
delay time. This parameter is not configured when its value is 255. For detailed inforamtion, refer to 3GPP TS
Recommended value: None
Value range: {{4~19},{255}}
Physical value range: 1~4.75.step: 0.25
Physical unit: None
Content: This parameter is used to increase time of inter-frequency reselection. It is not configured when its
value is 255. For detailed inforamtion, refer to 3GPP TS 25.304.
Recommended value: None
Value range: {{4~19},{255}}
Physical value range: 1~4.75.step: 0.25
Physical unit: None
Content: This parameter is used to increase time of inter-RAT reselection. It is not configured when its value is255. For detailed inforamtion, refer to 3GPP TS 25.304.
Recommended value: None
Value range: CONFIGURED, NOT_CONFIGURED
Physical unit: None
Content: Indicating whether the non-HCS speed estimation parameter should be configured.
Recommended value: None
Value range: not used, D30, D60, D120, D180, D240
Physical value range: not used, 30, 60, 120, 180, 240
Physical unit: s
Content: Maximum duration of non-HCS cell reselection. If the number of cell reselection exceed the value of
this parameter during Tcrmaxnonhcs, the UE is not in high-speed movement. For detailed inforamtion, refer to
3GPP TS 25.304.
Recommended value:NotUsed
Value range: 1~16
Physical unit: None
Content: Maximum number of non-HCS cell reselection. This parameter, along with Tcrmaxnonhcs, defines the
speed estimation threshold of non-HCS cells. For detailed inforamtion, refer to 3GPP TS 25.304.
Recommended value: 8
Value range: not used, D10, D20, D30, D40, D50, D60, D70
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Physical value range: not used, 10, 20, 30, 40, 50, 60, 70
Physical unit: s
Content: Hysterisis time before non-HCS resuming slow movement. When UE is in high-speed movement, if the
number of cell reselections is less than Ncrnonhcs, the UE resumes to slow movement. For detailed inforamtion,
refer to 3GPP TS 25.304.
Recommended value: NotUsed
Value range: {{0~40},{255}}Physical unit: dB
Content: This parameter indicates that in the CELL_PCH or URA_PCH connection mode, the measurement
hysteresis of the UE is 1. It is used when CPICH RSCP is used in cell selection and reselection measurement. This
parameter is not configured when the value is 255.
Otherwise, the greater the parameter value is, the harder the cell selection happens. For detailed inforamtion,
refer to 3GPP TS 25.304.
Recommended value: None
Value range: {{0~40},{255}}
Physical unit: dB
Content: This parameter indicates that in the CELL_FACH connection mode, the measurement hysteresis of the
UE is 1. It is used when CPICH RSCP is used in cell selection and reselection measurement. This parameter is not
configured when the value is 255.
Otherwise, the greater the parameter value is, the harder the cell selection happens. For detailed inforamtion,
refer to 3GPP TS 25.304.
Recommended value: None
Value range: {{0~40},{255}}
Physical unit: dB
Content: This parameter indicates that in the CELL_PCH or URA_PCH connection mode, the measurement
hysteresis of the UE is 2. It is used when CPICH EcNo is used in cell selection and reselection measurement. This
parameter is not configured when the value is 255.
Otherwise, the greater the parameter value is, the harder the cell selection happens. For detailed inforamtion,refer to 3GPP TS 25.304.
Recommended value: None
Value range: {{0~40},{255}}
Physical unit: dB
Content: This parameter indicates that in the CELL_FACH connection mode, the measurement hysteresis of the
UE is 2. It is used when CPICH EcNo is used in cell selection and reselection measurement. This parameter is not
configured when the value is 255.
Otherwise, the greater the parameter value is, the harder the cell selection happens. For detailed inforamtion,
refer to 3GPP TS 25.304.
Recommended value: None
Value range: {{0~31},{255}}
Physical unit: s
Content: This parameter indicates the UE reselection delay in the CELL_PCH or URA_PCH connection mode. This
parameter is not configured when the value is 255. Instead, the Treselections parameter is used. For detailed
inforamtion, refer to 3GPP TS 25.304
Recommended value: None
Value range: {{0~31},{255}}
Physical value range: 0~6.2; step: 0.2
Physical unit: s
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Content: This parameter indicates the UE reselection delay in the CELL_FACH connection mode. This parameter
is not configured when the value is 255. Instead, the Treselections parameter is used. For detailed inforamtion,
refer to 3GPP TS 25.304.
Recommended value: None
eters to Cell1.
CPICH_ECNO, IdleQhyst1s=2, ConnQhyst1s=2, IdleQhyst2s=2, ConnQhyst2s=2, Treselections=1, Qqualmin=-18, Qr
lection parameters are added toCell1 as follows:
PICH Ec/No.
/No is -18 dB.
-116 dBm.
power of a UE in the cell is 21 dBm.
reshold for idle state and connect state is 6 dB.
reshold for idle state and connect state is 10 dB.
ld is 4 dB.
selection is 0.2.
lection is 2.5.
n is 2.5.
eters are configured.
eselection is not used.ll reselection is 8.
s low mobility in a non-HCS cell is not used.
A_PCH state is 5 dB.
is 5 dB.
A_PCH state is 5 dB.
e is 5 dB.
state is 3s.
FACH state is 0.6s.
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xlevmin=-58, MaxAllowedUlTxPower=21, IdleSintrasearch=3, IdleSintersearch=5, ConnSintrasearch=3,
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onnSintersearch=5, SsearchRat=2, SpeedDependentScalingFactor=2, InterFreqTreselScalingFactor=10, I
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nterRatTreselScalingFactor=10, NonhcsInd=CONFIGURED, Tcrmaxnonhcs=NotUsed, Ncrnonhcs=8, Tcrm
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xhystnonhcs=NotUsed, Qhyst1spch=5, Qhyst1sfach=5, Qhyst2spch=5, Qhyst2sfach=5, Treselectionspch
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=3, Treselectionsfach=3;
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INDEX
Add Inter-frequency Neighboring
Function
Note
Parameter
Example
Function
Add inter-frequency neighboring c
Note
1. It is not mandatory to configure
2. Before adding an inter-frequenc
3.One cell's inter-frequency neighb
Parameter
ID Name
CIOOffset
Neighboring cell
oriented CIO[0.5dB]
SIB11Ind SIB11 Indicator
CellId Cell ID
RncIdRNC ID of neighboringcell
NCellId Neighboring cell ID
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IdleQoffse
t2sn IdleQoffset2sn[dB]
SIB12Ind SIB12 Indicator
IdleQoffse
t1sn IdleQoffset1sn[dB]
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ConnQoffs
et2sn ConnQoffset2sn[dB]
TpenaltyH
csReselect
HCS Cell Reselect
Penalty Timer[s]
TempOffs
et1
HCS Cell Reselect
TempOffset1[dB]
ConnQoffs
et1sn ConnQoffset1sn[dB]
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BlindHOQ
ualityCondition
Blind handovercondition[dBm]
NPrioFlag The flag of the priority
NPrio
The priority of
neighbor cell
TempOffs
et2
HCS Cell Reselect
TempOffset2[dB]
HOCovPri
o
The priority of
coverage based inter-
frequency handover
BlindHOFl
ag Blind handover flag
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ell(ADD INTERFREQNCELL)
ll information.
inter-frequency neighboring cells in pairs, e.g. Cell 2 might not be one of cell 1's neighboring cells while cell 1 is cel
y neighboring cell, check whether this cell belongs to the local RNC or another RNC. If the cell belongs to another
our cells with same downlink frequency and uplink frequency are limited to 32.
Description
Cell ID
Value range: 0~65535
Content: uniquely identifying a cell
Recommended value (default value): none
ID of the RNC controlling a neighboring cell
Value range: 0~4095
Content: uniquely identifying an RNC
Neighboring cell ID
Value range: 0~65535
Content: uniquely identifying a neighboring cell
Recommended value (default value): none
Neighboring cell oriented Cell Individual Offset (CIO)
Value range: -20 ~ 20
Physical value range: -10~10,step:0.5
Physical unit: dB
Content: This parameter defines the neighboring cell oriented cell individual offset. The set value functions in
combination of the cell oriented CIO. Their sum is added to the measurement quantity before the UE evaluated
whether an event has occurred. In handover algorithms, this parameter is used for moving the border of a cell.
Recommended value (default value): 0
Flag of whether to include this neighboring relationship in the System Information Block 11 (SIB11)
Value range: TRUE, FALSE
Content:
This parameter indicates whether the neighboring cell information is delivered in SIB11. FALSE: not to include
the neighboring information in the SIB11. TRUE: to include the neighboring information in the SIB11.
Recommended value (default value): TRUE
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Offset of cell CPICH RSCP measurement value in cell selection or reselection when the UE is in idle mode
Value range: -50~50
Physical unit: dB
Content:
Offset of neighboring cell CPICH measurement value. This parameter is used for RSSI measurement. The offset is
subtracted from the neighboring cell measurement value before cell reselection.
This parameter defines the offset of cell CPICH RSCP measurement value in cell selection or reselection when theUE is in idle mode.
In cell reselection algorithm, this parameter is used for moving the border of a cell. This parameter can be
configured by the network planner according to reality.
NOTE:
In FDD mode, this parameter is valid only when SIB11 Indicator is set as TRUE.
For details, refer to 3GPP TS 25.331.
As for the impact on network performance:
The larger the value of the parameter, the lower the probability of selecting neighboring cells. The smaller the
value the parameter, the higher the probability of doing so.
Recommended value (default value): 0
Offset of cell CPICH Ec/No measurement value in cell selection or reselection when the UE is in idle mode
Value range: -50~50
Physical unit: dB
Content:
Offset of neighboring cell CPICH measurement value This parameter is used for Ec/No measurement. The offset
is subtracted from the neighboring cell measurement value before cell reselection.
In cell reselection algorithm, this parameter is used for moving the border of a cell. This parameter can be
configured by the network planner according to reality.
NOTE:
In FDD mode this parameter is valid only when SIB11 Indicator is set as TRUE.
For details, refer to 3GPP TS 25.331.As for the impact on network performance:
The larger the value of the parameter, the lower the probability of selecting neighboring cells. The smaller the
value the parameter, the higher the probability of doing so.
Recommended value (default value): 0
Flag of whether to include this neighboring relationship in the System Information Block 12 (SIB12)
Value range: TRUE, FALSE
Content:
This parameter indicates whether the neighboring cell information is delivered in SIB12. FALSE: not to include
the neighboring information in the SIB12. TRUE: to include the neighboring information in the SIB12.
Recommended value (default value): FALSE
Offset of cell CPICH RSCP measurement value in cell selection or reselection when the UE is in connected mode
Value range: -50~50
Physical unit: dB
Content:
This parameter is used for cell offset in cell selection and reselection. During cell reselection, the cell offset
corresponding to CPICH Ec/No is QOffset2sn, that to CPICH RSCP is QOffset1sn. Idle is used for idle mode, and
Conn for connected mode. ConnQoffset1sn and ConnQoffset2sn are valid only when SIB12Ind = TRUE, namely,
the SIB12 message is existing.
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Offset of neighboring cell CPICH measurement value This parameter is used for RSCP measurement. The offset is
subtracted from the neighboring cell measurement value before cell reselection.
In cell reselection algorithm, this parameter is used for moving the border of a cell. This parameter can be
configured by the Radio Network Planner(RNP) according to reality.
For details, refer to 3GPP TS 25.331.
As for the impact on network performance:
The larger the value of the parameter, the lower the probability of selecting neighboring cells. The smaller thevalue the parameter, the higher the probability of doing so.
Recommended value (default value): 0
Offset of cell CPICH Ec/No measurement value in cell selection or reselection when the UE is in connected mode
Value range: -50~50
Physical unit: dB
Content:
This parameter is used for cell offset in cell selection and reselection. During cell reselection, the cell offset
corresponding to CPICH Ec/No is QOffset2sn, that to CPICH RSCP is QOffset1sn. Idle is used for idle mode, and
Conn for connected mode. ConnQoffset1sn and ConnQoffset2sn are valid only when SIB12Ind=TRUE, namely,
the SIB12 message is existing.
Offset of neighboring cell CPICH measurement value This parameter is used for Ec/No measurement. The offset
is subtracted from the neighboring cell measurement value before cell reselection.
In cell reselection algorithm, this parameter is used for moving the border of a cell. This parameter can be
configured by the Radio Network Planner(RNP) according to reality.
For details, refer to 3GPP TS 25.331.
As for the impact on network performance:
The larger the value of the parameter, the lower the probability of selecting neighboring cells. The smaller the
value the parameter, the higher the probability of doing so.
Recommended value (default value): 0
HCS cell reselection penalty timer
Value range: D0, D10, D20, D30, D40, D50, D60Content:
Physical value range: 0, 10, 20, 30, 40, 50, 60
Unit: s
This parameter indicates the penalty time after the HCS cell reselection. During the penalty time period, the UE
cannot perform another HCS cell reselection.
The larger the value of the parameter, the longer the HCS penalty time.
The smaller the value of the parameter, the shorter the HCS penalty time.
Recommended value (default value): D0
Offset of HCS cell CPICH RSCP measurement value in cell selection or reselection
Value range: D3, D6, D9, D12, D15, D18, D21, Infinity
Content:
Physical value range: 3, 6, 9, 12, 15, 18, 21, Infinity
Unit: dB
This is the offset of cell CPICH RSCP measurement value in HCS cell selection or reselection. The larger the value
of the parameter, the lower the probability of selecting neighboring cells.
The smaller the value of the parameter, the higher the probability of doing so.
Recommended value (default value): D3
Offset of cell CPICH Ec/No measurement value in cell selection or reselection
Value range: D2, D3, D4, D6, D8, D10, D12, Infinity
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Content:
Physical value range: 2, 3, 4, 6, 8, 10, 12, Infinity
Physical unit: dB
This parameter defines the offset of cell CPICH Ec/No measurement value in cell selection or reselection.
The larger the value of the parameter, the lower the probability of selecting neighboring cells.
The smaller the value the parameter, the higher the probability of doing so.
Recommended value (default value): D2Priority of coverage-based inter-frequency handover
Value range: 0~3
Content:
"0" means that the coverage-based inter-frequency handover is not supported.
"1" means the highest priority.
"3" means the lowest priority.
Recommended value (default value): 1
Flag of target cell for blind handovers
Value range: TRUE, FALSE
Content:
This parameter indicates whether the neighboring cell is the target cell for blind handovers.
If the value is TRUE, blind handovers can be performed to the neighboring cell.
Recommended value (default value): FALSE
Blind handover condition
Value range: -115~-25
Physical unit: dBm
Content:
If the value is not -115, the handover is defined as Conditional Blind HO, which is used for the inter-frequency
neighboring cells of the same coverage.
If the value is -115, the handover is defined as Direct Blind HO, which is used for the inter-frequency neighboring
cells of larger coverage.Recommended value (default value): -92
Priority identifier of neighboring cells
Value range: TRUE, FALSE
Content:
TRUE indicates that the neighboring cell priority is valid in the algorithm of neighboring cell combination. FALSE
indicates that the neighboring cell priority is invalid, and, in the algorithm of neighboring cell combination, the
cell with invalid priority is the last one to be considered as the measurement object.
Recommended value (default value): FALSE
Priority of neighboring cells
Value range: 0~63
Content:
The priority that corresponds to the neighboring cell is valid only when the this parameter is set to TRUE. The
lower the priority, the easier it is for the neighboring cell to be delivered as the measurement object. For
example, it is more possible for a neighboring cell of priority 1 than a cell of priority 2 to be delivered as the
Recommended value (default value): None
This parameter is used as the DRD Ec/No threshold of whether to perform the blind handover.
Value range: -24~0
Physical value range: -12~0,step:0.5
Physical unit: dB
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Content: This parameter is used as the DRD Ec/No threshold of whether to perform the blind handover. If the
Ec/No measured value of the current cell is greater than this parameter of the inter-frequency neighboring cell,
this neighboring cell can be selected to be the candidate DRD cell.
Recommended value: -18
ency neighboring cell 100 with the following configuration:
D0
ter-frequency handover: 1
cId=9, NCellId=100, CIOOffset=0, SIB11Ind=TRUE, SIB12Ind=FALSE, TpenaltyHcsReselect=D0, HOCovPrio=1, Blind
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l 2's.
NC, execute the command ADD NRNCCELL to add the information of this cell first.
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OFlag=FALSE, NPrioFlag=FALSE;
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INDEX
Add cell oriented CAC algorithm param
Function
Note
Parameter
Example
Function
Add cell-oriented Call Admission Control (CA
In actual operation, it is necessary to set the
1. Set coverage ranges for various services: s
2. Restrict services proportions in a cell: rest
3. Optimize resource configuration (1): set di
4. Optimize resource configuration (2): reser
There are 4 classes of services correspondin
1. Conversational: This class corresponds to
2. Streaming: This class corresponds to real-
3. Interactive: This class corresponds to data
4. Background: This class also corresponds t
Note
1. [Cell environment type] is set to TU gener
2. Following restriction must be satisfied:
1)[UL OLC trigger threshold] >= [UL total po
2)MAX(UL handover access threshold,UL thr3)[Ul HandOver Credit Reserved SF] >= [Ul L
4)[DL OLC trigger threshold] >= [DL total po
5)MAX(DL handover access threshold,DL thr
6)[Dl HandOver Credit and Code Reserved S
[Dl HandOver Credit and Code Reserved SF]
[MTCH maximal power] > [MTCH reserve po
[MTCH maximal power SF] > [MTCH reserve
7)[Ul TotalPower CAC threshold] > [UL Targe
The parameters of [UL LDR trigger threshold
Parameter
ID Name
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DlConvAMRThd
DL threshold of
Conv AMR
service[%]
DlConvNonAMRThd
DL threshold of
Conv non_AMR
service[%]
DlOtherThd
DL threshold of
other
services[%]
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DlCCHLoadRsrvCoeff
DL common
channel loadreserved
coefficient[%]
UlTotalEqUserNum
UL total
equivalent user
number
DlTotalEqUserNum
DL total
equivalent user
number
HsupaLowPriorityUserPB
RThd
Low priority
HSUPA user PBR
threshold[%]
HsupaEqualPriorityUserP
BRThd
Equal priority
HSUPA user PBR
threshold[%]
High priority
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HsupaHighPriorityUserPB
RThd
HSUPA user PBR
threshold[%]
UlHsDpcchRsvdFactor
UL HS-DPCCH
reserve
factor[%]
HsdpaStrmPBRThd
HSDPA
streaming PBR
threshold[%]
HsdpaBePBRThd
HSDPA best
effort PBR
threshold[%]
MaxHsdpaUserNum
Maximum
HSDPA user
number
Max UL TX
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MaxUlTxPowerforConv
power of
conversational
service[dBm]
MaxUlTxPowerforStr
Max UL TX
power of
streaming
service[dBm]
MaxUlTxPowerforInt
Max UL TX
power of
interactive
service[dBm]
MaxUlTxPowerforBac
Max UL TX
power ofbackground
service[dBm]
BackgroundNoise
Background
noise[0.1dBm]
DefPcpichEcNo
Default PCPICH
Ec/No[dB]
Auto-adaptive
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BGNSwitch
background
noise update
switch
BGNAdjustTimeLen
Background
noise update
continuance
time[s]
BGNEqUserNumThd
Equivalent user
number
threshold for
background
noise
MaxHsupaUserNum
Maximum
HSUPA user
number
DlHSUPARsvdFactor
DL HSUPA
reserved
factor[%]
DlMBMSRsvdFactor
DL MBMS
reserved
factor[%]
MtchRsvPwr
MTCH reserve
power[%]
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MtchRsvSf MTCH reserve SF
MtchMaxPwr
MTCH maximal
power[%]
MtchMaxSf
MTCH maximal
SF
UlHoCeResvSf
UL handover
credit reserved
SF
DlHoCeCodeResvSf
DL handover
credit and code
reserved SF
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Example
Configure CAC parameters for cell 1.
ADD CELLCAC: CellId=1, CellEnvType=TU, No
BgnStartTime
Background
noise update
start time
MaxEFachUserNum
Maximum
EFACH user
number
BgnEndTime
Background
noise update
end time
BgnUpdateThd
Background
noise update
trigger threshold
BgnAbnormalThd
Background
noise abnormal
threshold
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After the above operations, the parameters
The cell environment type is TU;
The nonorthogonality factor is 0.4;
The UL threshold of Conv AMR service is 0.7
The UL threshold of Conv non_AMR service iThe UL threshold of other services is 0.6;
The DL threshold of Conv AMR service is 80
The DL threshold of Conv non_AMR service i
The DL threshold of other services is 75%;
The UL handover access threshold is 0.8;
The DL handover access threshold is 85%;
The UL common channel load factor is 0.00.
The DL common channel load reserved coeff
The UL total equivalent user number is 80;
The DL total equivalent user number is 80;
The UL HS-DPCCH reserve factor is 0.00;
Hsdpa streaming PBR threshold is 70%;
Hsdpa best effort PBR threshold is 30%;
The maximum HSDPA user number is 64;
The maximum UL transmit power of convers
The maximum UL transmit power of streami
The maximum UL transmit power of interact
The maximum UL transmit power of backgro
The background noise is -103 dBm;
The Default PCPICH Ec/No is -6 dB;
The Auto-Adaptive Background Noise UpdatThe Background Noise Update Continuance
The Equivalent User Number Threshold for
The maximum HSUPA user number is 20;
The Dl HSUPA reserved factor is 20;
The Dl MBMS reserved factor is 20;
Ul HandOver Credit Reserved SF is SF16;
Dl HandOver Credit and Code Reserved SF is
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Description:The percentage of the conversational AMR service threshold to the 100% downlink load. It is
applicable to algorithm 1 and algorithm 2. The parameter is used for controlling the AMR service admission. That
is, when an AMR service is accessing, the RNC evalutates the measurement value of the downlink load after the
service is accessed. If the DL load of a cell is higher than this threshold after the access of an AMR speech service,
The DL load factor thresholds include parameters of [DL threshold of Conv non_AMR service], [DL handover
access threshold] and [DL threshold of other services]. The four parameters can be used to limit the proportion
between the conversational service, handover user and other services in a specific cell, and to guarantee theaccess priority of the conversational AMR service. If the value is too high the system load after admission may be
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:80
Recommended Value:80
Description:The percentage of the conversational non-AMR service threshold to the 100% downlink load. It is
applicable to algorithm 1 and algorithm 2. The parameter is used for controlling the non-AMR service admission.
That is, when a non-AMR service is accessing, the RNC evalutates the measurement value of the downlink load
after the service is accessed. If the DL load of a cell is higher than this threshold after the access of a non-AMR
The DL load factor thresholds include parameters of [DL threshold of Conv non_AMR service], [DL handover
access threshold] and [DL threshold of other services]. The four parameters can be used to limit the proportion
between the conversational service, handover user and other services in a specific cell, and to guarantee the
access priority of the conversational non-AMR service.If the value is too high the system load after admission
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:80
Recommended Value:80
Description:The percentage of other service thresholds to the 100% downlink load. The services refer to other
admissions except the conversational AMR service, conversational non-AMR service, and handover scenarios. Itis applicable to algorithm 1 and algorithm 2. The parameter is used for controlling other service admissions. That
is, when a service is accessing, the RNC evalutates the measurement value of the downlink load after the service
The DL load factor thresholds include parameters of [DL threshold of Conv non_AMR service], [DL handover
access threshold] and [DL threshold of other services]. The four parameters can be used to limit the proportion
between the conversational service, handover user and other services in a specific cell, and to guarantee the
access priority of other services. If the value is too high the system load after admission may be over large, which
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:75
Recommended Value:75
Description:The percentage of the handover service admission threshold to the 100% uplink load. It is applicable
to algorithm 1 and algorithm 2. The parameter is used for controlling the handover admission. That is, when a
service is handing over to a cell, the RNC evalutates the measurement value of the uplink load after the service is
accessed. If the UL load of a cell is higher than this threshold after the access, this service will be rejected. If the
The UL load factor thresholds include parameters of [UL threshold of Conv non_AMR service], [UL handover
access threshold] and [UL threshold of other services]. The four parameters can be used to limit the proportion
between the non-handover service, handover user and other services in a specific cell, and to guarantee the
access priority of the handover service. This parameter is to guarantee the access priority of the handover
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GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:80
Recommended Value:80
Description:The percentage of the handover service admission threshold to the 100% downlink load. It is
applicable to algorithm 1 and algorithm 2. The parameter is used for controlling the handover admission. That is,when a service is handing over to a cell, the RNC evalutates the measurement value of the downlink load after
the service is accessed. If the DL load of a cell is higher than this threshold after the access, this service will be
The DL load factor thresholds include parameters of [DL threshold of Conv non_AMR service], [DL handover
access threshold] and [DL threshold of other services]. The four parameters can be used to limit the proportion
between the non-handover service, handover user and other services in a specific cell, and to guarantee the
access priority of the handover service. This parameter is related to the cell radius and cell maximum TX power.
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:85
Recommended Value:85
Description:Admission threshold of total cell uplink power. This parameter is related to the target load of the
uplink schedule. The total uplink load fluctuates closing to the target load due to the schedule mechanism of the
HSUPA. Therefore, the target load is added with margin, acting as the basis of this parameter. If the value is too
high, the system load after admission may be over large, which impacts system stability and leads to system
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:83
Recommended Value:83
Description:Admission threshold of the total cell downlink power. If the value is too high, too many users will beadmitted. However, the throughput of a single user is easy to be limited. If the value is too low, cell capacity will
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:90
Recommended Value:90
Description:The admission control decision is only for dedicated channels. For common channels, some
In the UL, according to the current load factor and the characteristics of the new call, the UL CAC algorithm
predicts the new traffic channels load factor with the assumption of admitting the new call, then plus with the
premeditated common channel UL load factor to get the predicted UL load factor. Then, compare it with the UL
admission threshold. If the value is not higher than the threshold, the call is admitted; otherwise, rejected. If the
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:0
Recommended Value:0
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Description:Different admission policies are used for dedicated channel and common channel users. For
common channel users, resources instead of separate power admission decision are reserved. For dedicated
channel users, according to the current load factor and the characteristics of the new call, the CAC algorithm
predicts the new TX power with the assumption of admitting the new call, then plus with the premeditated
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:NoneDefault value:0
Recommended Value:0
Description:When the algorithm 2 is used, this parameter defines the total equivalent user numbers
corresponding to the 100% uplink load. The parameter should be related to the admission threshold and actual
condition of the network. If the value is too high, the system load after admission may be over large, which
GUI value range:1~200
Actual value range:1~200
Unit:None
Default value:80
Recommended Value:80
Description:When the algorithm 2 is used, this parameter defines the total equivalent user number
corresponding to the 100% downlink load. he parameter should be related to the admission threshold and actual
condition of the network. If the value is too high, the system load after admission may be over large, which
GUI value range:1~200
Actual value range:1~200
Unit:None
Default value:80
Recommended Value:80
Description:Threshold of all the HSUPA user PBR whose schedule priority is lower than that of users to be
admitted. If this value is too high, the possibility of rejecting HSUPA schedule services increases, which impacts
access success rate. If the value is too low, too many HSUPA schedule users may be admitted, which impacts theGUI value range:0~100
Actual value range:0~1, step:0.01
Unit:per cent
Default value:100
Recommended Value:100
Description:Threshold of all the HSUPA user PBR whose schedule priority is the same as that of users to be
admitted. If this value is too high, the possibility of rejecting HSUPA schedule services increases, which impacts
access success rate. If the value is too low, too many HSUPA schedule users may be admitted, which impacts the
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:per cent
Default value:100
Recommended Value:100
Description:Threshold of all the HSUPA user PBR whose schedule priority is higher than that of users to be
admitted. If this value is too high, the possibility of rejecting HSUPA schedule services increases, which impacts
access success rate. If the value is too low, too many HSUPA schedule users may be admitted, which impacts the
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:per cent
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Default value:100
Recommended Value:100
Description:If the HS-DPCCH carries ACK/NACK, the system will not perform CAC. If the HS-DPCCH carries CQI,
the system will perform CAC. This parameter refers to the resources reserved for the uplink HS-DPCCH carrying
ACK/NACK. The corresponding threshold is the uplink limit capacity multiplied by this parameter. If the value is
too high, the possibility of wrong rejection to uplink admissions increases, leading to waste in uplink resources. If
GUI value range:0~100Actual value range:0~1, step:0.01
Unit:per cent
Default value:0
Recommended Value:0
Description:Average throughput admission threshold of the HSDPA streaming service. If the sum of PBR of all the
accessed streaming users is lower than the average throughput admission threshold of the HSDPA streaming
service multiplied by the sum of GBR of all the accessed streaming users, it indicates that the QoS of the
accessed users cannot be satisfied and new HSDPA streaming services are not allowed. Otherwise, the QoS can
be satisfied and new HSDPA streaming services are allowed. If the value is too high, admission requirement of
the HSDPA streaming service is strict, which improves the service quality of the HSDPA streaming service but
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:per cent
Default value:70
Recommended Value:70
Description:Average throughput admission threshold of the HSDPA best effort traffic. If the sum of PBR of all the
accessed HSDPA BE users is lower than the average throughput admission threshold of the HSDPA BE service
multiplied by the sum of GBR of all the accessed HSDPA BE users, it indicates that the QoS of the accessed users
cannot be satisfied and new HSDPA BE services are not allowed. Otherwise, the QoS can be satisfied and new
HSDPA BE services are allowed. If the value is too high, admission requirement of the HSDPA BE service is strict,
GUI value range:0~100Actual value range:0~1, step:0.01
Unit:per cent
Default value:30
Recommended Value:30
Description:Maximum number of users supported by the HSDPA channel. The user in this parameter refers to
the user with services on the HSDPA channel, regardless of the number of RABs carried on the HSDPA channel.
Maximum HSDPA user number cannot exceed the HSDPA capability of the NodeB product, In practice, the value
can be set based on the cell type and the richness of the available HSDPA power and code resources. If the value
GUI value range:0~100
Actual value range:0~100
Unit:None
Default value:64
Recommended Value:64
Description:Maximum UL transmit power for conversational service in a specific cell. It is based on the UL
coverage requirement of the conversational service designed by the network planning.The larger the value of
this parameter is, the wider the coverage of the corresponding services will be. When the downlink coverage is
exceeded, the uplink coverage and downlink coverage of the service will become unbalanced. If the values of
GUI value range:-50~33
Actual value range:-50~33
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Unit:dBm
Default value:24
Recommended Value:24
Description:Maximum UL transmit power for the streaming service in a specific cell. It is based on the UL
coverage requirement of the streaming service designed by the network planning.The larger the value of this
parameter is, the wider the coverage of the corresponding services will be. When the downlink coverage is
exceeded, the uplink coverage and downlink coverage of the service will become unbalanced. If the values ofGUI value range:-50~33
Actual value range:-50~33
Unit:dBm
Default value:24
Recommended Value:24
Description:The maximum UL transmit power for the interactive service in a specific cell. It is based on the UL
coverage requirement of the interactive service designed by the network planning.The larger the value of this
parameter is, the wider the coverage of the corresponding services will be. When the downlink coverage is
exceeded, the uplink coverage and downlink coverage of the service will become unbalanced. If the values of
GUI value range:-50~33
Actual value range:-50~33
Unit:dBm
Default value:24
Recommended Value:24
Description:The maximum UL transmit power for background service in a specific cell. It is based on the UL
coverage requirement of the background service designed by the network planning.The larger the value of this
parameter is, the wider the coverage of the corresponding services will be. When the downlink coverage is
exceeded, the uplink coverage and downlink coverage of the service will become unbalanced. If the values of
GUI value range:-50~33
Actual value range:-50~33
Unit:dBmDefault value:24
Recommended Value:24
Description:If [Auto-Adaptive Background Noise Update Switch] is set to OFF, it is used to set background noise
of the cell. If [Auto-Adaptive Background Noise Update Switch] is set to ON, new background noise is restricted
GUI value range:0~621
Actual value range:-112~-50,step:0.1
Unit:dBm
Default value:61
Recommended Value:61
Description:When the RNC is performing downlink open power control, it evaluates link consumption according
to the PCPICH TX power and the PCPICH signal intensity detected in UE access. However, in some cases, the UE
GUI value range:-30~30
Actual value range:-30~30
Unit:dB
Default value:-13
Recommended Value:-13
Description:When the parameter is 'OFF', the auto-adaptive background noise update algorithm is switched off.
GUI value range:OFF, ON
Actual value range:OFF, ON
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Unit:None
Default value:ON
Recommended Value:ON
Description:Only when the measured background noise's duration reaches this parameter, the output of the
auto-adaptive background noise update filter could be regarded as effect background noise, and the current
value is replaced with the new one. At the same time, the auto-adaptive status should be restarted; otherwise,
GUI value range:1~6000Actual value range:1~6000
Unit:s
Default value:120
Recommended Value:120
Description:When the number of uplink equivalent users is not larger than this parameter, the RTWP could be
regarded as background noise. Therefore, the measured RTWP could be input to the auto-adaptive background
noise update filter; otherwise, the RTWP could not be regarded as background noise, and should not be input to
GUI value range:0~10
Actual value range:0~10
Unit:None
Default value:0
Recommended Value:0
Description:Maximum number of users supported by the HSUPA channel.The user in this parameter refers to the
user with services on the HSUPA channel, regardless of the number of RABs carried on the HSUPA channel.
GUI value range:0~100
Actual value range:0~100
Unit:None
Default value:20
Recommended Value:20
Description:Reserved DL power factor for HSUPA user. The higher the value is, the more resources reserved for
the HSUPA control channel, which leads to resource waste. If the value is too low, HSUPA user quality may beGUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:0
Recommended Value:0
Description:Reserved DL power factor for MBMS service.
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:0
Recommended Value:0
Description:Available guarantee power of all the MTCHs. This parameter is a protection for the MBMS PTM
bearing. When the power of all the MTCHs are little, pre-emption of MBMS PTM bearing should be avoided. This
is because the MBMS PTM bearing serves multiple users at the same time. The value should not be too high.
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:20
Recommended Value:20
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Description:Available guarantee codes of all the MTCHs. This parameter is a protection for the MBMS PTM
bearing. When the codes of all the MTCHs are few, pre-emption of MBMS PTM bearing should be avoided. This
is because the MBMS PTM bearing serves multiple users at the same time. The value should not be too high.
GUI value range:0~63
Actual value range:0~63
Unit:None
Default value:16Recommended Value:16
Description:Maximum power limit of all the MTCHs. This parameter is a limit to the maximum bearing of the
MBMS PTM bearing. When the power of all the MTCHs are little, pre-emption of MBMS PTM bearing should be
avoided. This is because the MBMS PTM bearing serves multiple users at the same time. The value should not be
GUI value range:0~100
Actual value range:0~1, step:0.01
Unit:None
Default value:60
Recommended Value:60
Description:Maximum code limit of all the MTCHs. This parameter is a limit to the maximum bearing of the
MBMS PTM bearing. When the code of all the MTCHs are few, pre-emption of MBMS PTM bearing should be
avoided. This is because the MBMS PTM bearing serves multiple users at the same time. The value should not be
GUI value range:0~63
Actual value range:0~63
Unit:None
Default value:40
Recommended Value:40
Description:Uplink Credit Reserved by Spread Factor for HandOver. SFOFF means that none of them are reserved
for handover. If the UL spare resource cant satisfy the reserved resource after the access of a new service, the
service will be rejected. If the value is too high, the credit resource reserved for handover UEs will be less,
leading to the increased possibility of rejecting handover UE admissions, and performance of handover UEsGUI value range:SF4(SF4), SF8(SF8), SF16(SF16), SF32(SF32), SF64(SF64), SF128(SF128), SF256(SF256),
Actual value range:SF4,SF8,SF16,SF32,SF64,SF128,SF256,SFOFF
Unit:None
Default value:SF16
Recommended Value:SF16
Description:Some cell resources can be reserved for handover UEs to guarantee handover success rate and
improve access priority of handover services. This parameter defines the quantity of downlink code and CE
resources reserved for handover. SFOFF refers to that no resources is reserved. SF32 refers to that a code
resource with SF = 32 and its corresponding credit resource are reserved. The backer position the value is in
{SF4,SF8,SF16,SF32,SF64,SF128,SF256,SFOFF}, the less code and credit resources reserved for handover UEs. The
GUI value range:SF4(SF4), SF8(SF8), SF16(SF16), SF32(SF32), SF64(SF64), SF128(SF128), SF256(SF256),
Actual value range:SF4,SF8,SF16,SF32,SF64,SF128,SF256,SFOFF
Unit:None
Default value:SF32
Recommended Value:SF32
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of cell 1 are set as follows:
5;
s 0.75;
;
s 80%;
icient is 0%;
ational service is 24dBm;
ng service is 24dBm;
ive service is 24dBm;
und service is 24dBm;
e Switch is OFF;ime is 10 minutes;
ackground Noise Update is 0;
SF32.
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achieve the following purposes:
to the network planning. Note that the coverage specification must be taken into consideration togeth
s, so as to ensure the priority of conversational service.
ensure the handover success rate as well as the priority of conversational service.
LER requirement, but strict transmission delay requirement. Typical services: AMR speech and video ph
sers. It has a relatively looser delay requirement than conversational, but the sequential relation should
in a sensible range. Typical services: Web browsing and database retrieval.
ail delivery and data download.
AMR service] > [UL threshold of other services];
er threshold] > [UL LDR release threshold];
AMR service]> [DL threshold of other services] ;
er threshold] > [DL LDR release threshold];
MOD CELLLDM, and they can be listed by LST CELLLDM. The parameters of [Dl LDR Credit SF reserved t
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OThd=85, DlCellTotalThd=90, UlCCHLoadFactor=0, DlCCHLoadRsrvCoeff=0, UlTotalEqUserNum=80,DlTo
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er with the capacity specification.
ne.
be ensured. Typical service: Video on demand.
hreshold] and [Cell LDR SF reserved threshold] are set in ADD CELLLDR and MOD CELLLDR, and they can
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alEqUserNum=80, UlHsDpcchRsvdFactor=0, HsdpaStrmPBRThd=70, HsdpaBePBRThd=30, MaxHsdpaUs
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be listed by LST CELLLDR. The parameters of [UL Target LoadFactor] is set in MOD CELLHSUPA.
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rNum=64, MaxUlTxPowerforConv=24, MaxUlTxPowerforStr=24, MaxUlTxPowerforInt=24, MaxUlTxPow
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erforBac=24, BackgroundNoise=71, DefPcpichEcNo=-13, BGNSwitch=OFF, BGNAdjustTimeLen=10, BGN
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qUserNumThd=0, ShoInitPwrPo=15, MaxHsupaUserNum=20, DlHSUPARsvdFactor=20, DlMBMSRsvdFa
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